azocyanide
/ˌæzoʊsaɪˈænaɪd/Definitions
1. noun
A colorless, oily liquid that is a potent and highly toxic cyanide compound, used as an intermediate in the production of dyes, and as a reagent in chemical analysis.
“The chemist handled the azocyanide with extreme caution, as it is highly toxic and hazardous to health.”